16364864 has 28 divisors (see below), whose sum is σ = 32639508. Its totient is φ = 8140800.

The previous prime is 16364849. The next prime is 16364893. The reversal of 16364864 is 46846361.

16364864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11560000 + 4804864 = 3400^2 + 2192^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14894 + ... + 15954.

Almost surely, 2^16364864 is an apocalyptic number.

It is an amenable number.

16364864 is a deficient number, since it is larger than the sum of its proper divisors (16274644).

16364864 is a wasteful number, since it uses less digits than its factorization.

16364864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314 (or 1304 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 16364864 is about 4045.3509118493. The cubic root of 16364864 is about 253.8852479357.

The spelling of 16364864 in words is "sixteen million, three hundred sixty-four thousand, eight hundred sixty-four".